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Date:      Mon, 13 Jul 2015 15:23:34 -0400
From:      Allan Jude <allanjude@freebsd.org>
To:        Warren Block <wblock@wonkity.com>
Cc:        Hans Ottevanger <hans@beastielabs.net>,  "Andrey V. Elsukov" <bu7cher@yandex.ru>, freebsd-current@freebsd.org
Subject:   Re: Lenovo BIOS boot fix
Message-ID:  <55A41036.2070602@freebsd.org>
In-Reply-To: <alpine.BSF.2.20.1507131156570.88315@wonkity.com>
References:  <55A1FFD5.7080008@freebsd.org> <55A2030B.7010405@freebsd.org> <55A2835F.1030004@yandex.ru> <55A2ACDD.408@freebsd.org> <55A36FBE.1020206@beastielabs.net> <55A3D01E.40102@freebsd.org> <alpine.BSF.2.20.1507130915250.56039@wonkity.com> <55A3DF26.5020602@freebsd.org> <alpine.BSF.2.20.1507131156570.88315@wonkity.com>

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On 2015-07-13 14:08, Warren Block wrote:
> On Mon, 13 Jul 2015, Allan Jude wrote:
>
>> On 2015-07-13 11:19, Warren Block wrote:
>>>>
>>>> Needing the active flag set is indeed a different problem. I am working
>>>> on a patch for bsdinstall that will allow the user to request the
>>>> active
>>>> bit be set as well.
>>>
>>> For GPT, that should be the default, because it matches the standard.
>>>
>>> I would like to see an effort to get Lenovo to fix their broken
>>> UEFI/BIOS.  Adding non-standard PMBR configurations should be short-term
>>> hack.
>>
>> Lenovo has fixed the issue in newer models, x230, t530, t540 etc work
>> fine.
>>
>> Just the x220, t420, and t520 etc series do not.
>
> The latest BIOS update for the x220 was less than two months ago, so it
> is still supported.  That they've fixed the problem in other models
> shows they understand the issue.  So owners of those models should be
> bugging Lenovo, so to speak.
>
> Long-term, it seems like they as a company would be concerned that
> special bug fixes naming their specific models are needed.
>
> Short-term, we probably can't avoid this.  It would be nice to be able
> to remove a Lenovo-specific hack from gpart in the future with a commit
> that says "Fixed by Lenovo BIOS update #123, no longer needed".

I tried the latest bios update for the X220, from 2015-05-27

It does not resolve the issue.

Also, it required some hoop jumping, as they only provide a bootable cd 
(x220s do not have CD drives) and a windows program.

However, if others are interested, this handy perl script: 
http://userpages.uni-koblenz.de/~krienke/ftp/noarch/geteltorito/

can be used to extract the el torito image from that .iso to a file, 
that can then be dd'd to a USB stick and update the bios.

-- 
Allan Jude



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